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In Reply to: Re: ONLY THOSE WHO USE DBT'S TRULY TRUST THEIR EARS posted by kerr on May 19, 2006 at 09:14:56:
> Yes, but a single null DBT proves nothing and is only evidence that
> the person under test did not hear differences during those particular
> trials. It means nothing more.Ah the penny drops. Expanding on the word null and the word one.
Null. Say you perform an audibility experiment. In the light of the number of samples and what you know about them in terms of the population distribution, independence/biasing of the samples, etc... you determine an applicable confidence level. You examine the results and they do not show audibility at or beyond the confidence level. This is not necessarily a null/no result because you can invert the question and ask: does the result show that nothing is audible (i.e. random) to within an appropriate confidence level. If the answer is yes then you also have a positive result and not a null/no result. A null/no result is where the results are not highly correlated with audibility or highly uncorrelated (random) but slightly correlated but not enough to be significant. So the results of an audibility experiment are not heard it or null. They are heard it, did not hear it or null/no result.
One. If you are performing an experiment that tests for the laws of physics as they apply to audio then all experimental results that confirm the predicted results using those laws simply go to build confidence in the law. They do not prove it. However, if the results of just one valid experiment disagrees with the predictions then the laws do not hold. That is all it takes, just one valid experimental result to disprove a law (and an infinite number agreeing will not prove it).
So subjectivists have got a real easy job, they only have to come up with one valid experimental result to show that the laws of physics do not apply to cables. And yet, after all these decades that one valid experiment has not yet appeared. Why could that be?
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Follow Ups
- Re: ONLY THOSE WHO USE DBT'S TRULY TRUST THEIR EARS - andy19191 12:52:53 05/19/06 (7)
- Why that could be. - kerr 13:45:09 05/19/06 (6)
- Re: Why that could be. - andy19191 01:00:20 05/20/06 (5)
- Re: Why that could be. - kerr 07:09:51 05/20/06 (3)
- Re: Why that could be. - andy19191 02:48:44 05/21/06 (2)
- Re: Why that could be. - kerr 06:02:00 05/21/06 (1)
- Re: Why that could be. - andy19191 04:41:13 05/22/06 (0)
- Re: Excellent, someone has taken Zen - geoffkait 02:43:13 05/20/06 (0)